306828004 has 72 divisors (see below), whose sum is σ = 674533440. Its totient is φ = 121391424.

The previous prime is 306827993. The next prime is 306828007. The reversal of 306828004 is 400828603.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (306828007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129559 + ... + 131905.

It is an arithmetic number, because the mean of its divisors is an integer number (9368520).

Almost surely, 2^306828004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306828004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337266720).

306828004 is an abundant number, since it is smaller than the sum of its proper divisors (367705436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306828004 is a wasteful number, since it uses less digits than its factorization.

306828004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 306828004 is about 17516.5066151901. The cubic root of 306828004 is about 674.4736666971.

The spelling of 306828004 in words is "three hundred six million, eight hundred twenty-eight thousand, four".